单词：vignetting
渐晕
vignetting的用法和样例：
例句
用作名词(n.)
- Vignetting has to be on strong for the stripe options to work.渐晕，必须强有力的条纹选择工作。
- Clicking on this button will recompute the vignetting factors for each field based upon the current lens data.点击这个按键将根据当前镜头数据重新计算每个视场的渐晕因子。